406696963 has 4 divisors (see below), whose sum is σ = 406833400. Its totient is φ = 406560528.

The previous prime is 406696949. The next prime is 406696991. The reversal of 406696963 is 369696604.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 406696963 - 2¹⁷ = 406565891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (406696063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63645 + ... + 69742.

It is an arithmetic number, because the mean of its divisors is an integer number (101708350).

Almost surely, 2^406696963 is an apocalyptic number.

406696963 is a deficient number, since it is larger than the sum of its proper divisors (136437).

406696963 is a wasteful number, since it uses less digits than its factorization.

406696963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136436.

The product of its (nonzero) digits is 1259712, while the sum is 49.

The square root of 406696963 is about 20166.7291100962. The cubic root of 406696963 is about 740.8955331671.

The spelling of 406696963 in words is "four hundred six million, six hundred ninety-six thousand, nine hundred sixty-three".